Subtract 10/9 from 40/45
1st number: 40/45, 2nd number: 1 1/9
40/45 - 10/9 is -2/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
40/45 = 40 × 1/45 × 1 = 40/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
10/9 = 10 × 5/9 × 5 = 50/45 - Subtract the two like fractions:
40/45 - 50/45 = 40 - 50/45 = -10/45 - After reducing the fraction, the answer is -2/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/45-10/9 40/45-20/9 40/90-10/9 40/45-10/18 40/45-30/9 40/45-10/27 40/45-50/9 40/45-10/45 40/45-70/9 40/45-10/63